Includes 3 different interchangeable heads which between them fit 95% of knobs in use today.
No special hardware to install. You do not need to modify anything! Simply find the head that fits your knob and twist to open / close.
Works either left or right handed
Since this extends to almost 30 inches it will allow you to reach the ceiling in your fifth wheel which means no more step ladder which is much safer.
Telescoping Hand Crank RV Vent Opener: This product makes it easy to open and close your RV's vent. It's the perfect addition to any RV or camper for ultimate convenience and functionality.